package com.javacore;

/*
 Calculate Rectangle Area using Java Example
 This Calculate Rectangle Area using Java Example shows how to calculate
 area of Rectangle using it's length and width.
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class CalculateRectArea {

	public static void main(String[] args) {

		int width = 0;
		int length = 0;

		try {
			// read the length from console
			BufferedReader br = new BufferedReader(new InputStreamReader(
					System.in));

			System.out.println("Please enter length of a rectangle");
			length = Integer.parseInt(br.readLine());

			// read the width from console
			System.out.println("Please enter width of a rectangle");
			width = Integer.parseInt(br.readLine());

		}
		// if invalid value was entered
		catch (NumberFormatException ne) {
			System.out.println("Invalid value" + ne);
			System.exit(0);
		} catch (IOException ioe) {
			System.out.println("IO Error :" + ioe);
			System.exit(0);
		}

		/*
		 * Area of a rectangle is length * width
		 */

		int area = length * width;

		System.out.println("Area of a rectangle is " + area);
	}

}

/*
 * Output of Calculate Rectangle Area using Java Example would be Please enter
 * length of a rectangle 10 Please enter width of a rectangle 15 Area of a
 * rectangle is 150
 */